If a voltaic cell is made from [Cr₂O72/Cr+³] and [Cu+²/Cu] half-cells. What will be the total moles electrons involved for the balanced spontaneous reaction? Example for the deltaG = -z F Eºcell, what is "z"? Select one: O a. 4 O b. 2 0 с. 12 O d. 3 O e. 6

Q: A sample of helium has a volume of 200.0 mL at 730.0 mm Hg. What pressure is needed to reduce the…

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Q: In a converter, 11.30 kg of SO3 is fed and allowed to come into contact with a certain amount of…

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Q: Give the balanced chemical equation of the following reaction. Al203 + Cr203

A: The balanced equation is given below

Q: For the following reaction, 20.5 grams of sulfur dioxide are allowed to react with 8.50 grams of…

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Q: A possible method of measuring the rate of reaction is to measure the select the correct Answer…

A: The rate of a reaction is the ratio between changes in concentration of reactant or product with…

Q: At a certain temperature this reaction follows first-order kinetics with a rate constant of 16.1 s…

A: The integrated rate equation for first order reaction is  K = 2.303tlog[R]o[R] K = rate constant t =…

Q: Match a row to a column * Luminescence Laser Photoconductivity Electron microscope O O Welding O O…

A: Luminescence is a process of emission of light. A laser is also a device that emits light in the…

Q: A student finds the average Keq to be 370. (a) Calculate the approximate [FeSCN²+]/[SCN¯] in Part 3…

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Q: What is the pH of a solution prepared by combining 0.696 mol of a weak acid (Ka = 5.5 x 10-5) with…

A: we need to calculate pH of the solution

Q: H₂C CH3 Show how the compound can be synthesized from benzene and alkyl chlorides.

A: In this question, we will synthesized the given carbonyl compound from the starting materials…

Q: What is the pH of a solution that has [H*] of 1.00 X 10-4? O-4 O 14 4 01

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Q: Friedel-Crafts acylation produces a more reactive benzene ring intermediate

A: Yes this is true, but not even friedel craft acylation every aromatic substitution reaction on…

Q: What is the melting point of the substance modeled by this heating curve? F. 150 D E 135 120 105 90…

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Q: ower! (a) (B) fo fa in a 488 m2 sample collected over water at 0.745 alm at 288.15K2 How many moles…

A: Given: Volume of sample = 488 mL Pressure = 0.745 atm Temperature = 288.15 K

Q: A buffer with pH of 4.74 is composed of 0.50mol sodium acetate and 0.60mol acetic acid is diluted to…

A: In this question, we will determine the moles of NaOH which is added to given buffer solution.  You…

Q: Which arrow would be present in a reaction where K 1.15? Off None of the above

A: K is the ratio of product of products concentration to the product of reactants concentration.  So…

Q: Refer to the given equation KI + K₂Cr₂O₇ + HCl → CrCl₃ + KCl + I₂ + H₂O

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Q: For butenafine, develop a synthesis that starts with napthalene and benzene

A: The solution is shown below

Q: 7. At 25 °C, 0.0010 M NH4OH has a conductivity of 3.40 x 10-³ Sm¹¹. Given (in Sm²mol-¹): A, (NH4CI)…

A: In this we would use dissociation equation of NH4OH to calculate Kb.

Q: Why does water often cause changes to various experiments?

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Q: 7) What is the correct IUPAC name of the molecule below ? H2 .C. H3C. CH3 ČH3 A) 2-methyl-4-pentanol…

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Q: * Q. Compare and justify the easy or difficult uptake of phenol and anilline from acidic water under…

A: The answer is as follows:

Q: Half En. Eivy Ni +2e → Ni 0.23 Agt te → Ag o 0.80 Calculate the Equilibrium constant for this com…

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Q: 3. An electrolytic cell is used to plate silver from a silver nitrate solution unto an electrode.…

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Q: N 4 5

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Q: At what position, and on what ring, would you expect the following substance to undergo…

A: In this question, we will see that which ring and what position will give expected electrophilic…

Q: How many grams of NH4Cl (53.49 g/mol) must be dissolved in 0.639 L of solution in order to obtain a…

A: we need to find mass of NH4Cl in the solution for a pH 4.79

Q: Write the correct products for the double displacement reaction below: there are TWO products…

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Q: In a reducing condition, the redox potential (pe) is negative. True False

A: Concept:- Any system or environment that accepts electrons (reducing condition) from a normal…

Q: Determine the concentration of sodium hydroxide if 21.39ml of sodium hydroxide is required to…

A: In this question, we will determine the concentration of NaOH solution during the titration with…

Q: 11) Which of the following reagents should be used to convert 3-octyne to (E)-3-octene? A) Na, NH3…

A: Na,NH3 react with alkyne to give trans alkene. Alkene react with BH3/THF  and H2O2/NaOH to give anti…

Q: What made the pepper above the water move upon the addition of the dishwashing liquid?

A: This is all because of Surface tension which is the property of the surface of a liquid that allows…

Q: What is the IUPAC name for the molecule below? CH, CH₂NCH, T CH,

A: The IUPAC name of above amine derivative compund is  N,N-Dimethylethanamine

Q: Several chemical tests were carried out on an unknown compound to determine its identity. The…

A: 1. Iodoform is used to find the presence of carbonyl compounds with the structure R-CO-CH3 or…

Q: Among C18, C4, or C8, which bonded phase is the most nonpolar?

A: As the number of carbon atoms increases, the polarity of the compound decreases.

Q: H2C2O4. What amount is represented by 18.0 g of oxalic acid? How many molecules of oxalic acid are…

A: No of molecules=mole × avagadro number

Q: Aside from London dispersion forces, which substance do you expect dipole interactions to be…

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Q: ishared, or lone, electron pairs play an important role in determining the chemical and physical…

A: In order to determine the number of unshared pair of electrons on the indicated atoms, it is very…

Q: In the reactions given below, what rule is best describe them." 1) B₂H CH3-(CH₂)-CH=CH₂ 2) H₂O₂…

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Q: Claus process is used in the removal of hydrogen sulfide gas in the presence of * oxygen gas which…

A: The balanced equation for the Claus process is,   8 H2S(g)  +  4 O2(g)  ----->  S8(l)  + 8 H2O(l)…

Q: 0.369 mol of a weak base (pKb = 5.52) is added to 0.298 mol of the salt containing its conjugate…

A: Buffer solution has tendency to maintain constant pH upon addition of small amount of acid or base.…

Q: Determine the vapor pressure ratio of the glucose solution and sucrose solution. For both solution,…

A: Given - mass of glucose =mass of sucrose = 10g              volume of water = 1litre…

Q: N-p-hydroxyphenylethanamide is commonly known as    a. acetaminophen  b. acetamide c. acetanilide d.…

A: A question based on general chemistry that is to be accomplished.

Q: (d) Using the mole fraction of CH₂Cl₂ of 0.37, what is the vapor pressure of the solution in mmHg?…

A: Here we are required to find the vapour pressure of the solution and boiling point of the solution

Q: The conductance of several salts in a binary mixture of water and a dipolar aprotic solvent ethylene…

A: Given data:

Q: When high concentrations of SO3 gas are added to sulfuric acid, the compound formed is heck all that…

A: When high concentration of SO3 gas are added to sulfuric acid, the compound formed is

Q: Metal ENGGMATH GMATH ENGGCHEM GRVA FIT HW What metal is used as the cathode in the experiment? O FIT…

A: As we know that which  is having high standard electrode potential that is act as cathode. Because…

Q: Balance the following half-reaction in basic solution. How many moles of OH- appear in the balanced…

A: given half equation is MnO4-(aq) → Mn2+(aq)

Q: IR Spectrum (quid film) 4000 100 8282& 80 60 40 20 % of base peak 3000 43 40 13C NMR Spectrum (500…

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Q: why is cyclopentadiene more acidic than cycloheptatriene?

A: cyclopentadiene more acidic than cycloheptatriene it can be explained by aromaticity